SIM900A Modem is built with Dual Band GSM / GPRS based SIM900A modem from SIMCOM.
It works on frequencies 900/1800 MHz. SIM900A can search these two bands automatically.
The frequency bands can also be set by AT Commands.
The baud rate is configurable from 1200-115200 through AT command.
The GSM / GPRS Modem is having internal TCP / IP stack to enable you to connect with the internet via GPRS.
SIM900A is an ultra compact and reliable wireless module.
This is a complete GSM / GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.
Dual Band 900/1800 MHz
GPRS multi-slot class 10 / 8GPRS mobile station class B
Complies with GSM phase 2/2 +
Dimensions: 49 x 47 mm.
Weight: 38 g
Control via AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT commands)
Supply voltage range: 5V
Low power consumption: 1.5mA (sleep mode)
Operating temperature: -40°C to +85°C